12mm Automotive Check Valve,1/2 Inch Inlet & Outlet Vacuum & Fuel One-Way Valve for Chevrolet,BMW,Audi,VW,Mercedes-Ben,Ford,Porsche,Hyundai,Kia,Honda,Toyota,Nissan,GMC,Brake Booster, Water & Fuel Systems.
UNIVERSAL FITMENT - Features 12mm (1/2 inch) hose barb connections on both ends, making it a perfect direct replacement for a wide range of cars, trucks, and SUVs. Always verify your existing valve size before purchasing.
PROTECTS ENGINE SYSTEMS - Prevents harmful backflow of air, fuel vapors, or exhaust gases into sensitive vacuum lines and components. Essential for the proper function of the EGR, PCV, and other emission control systems.
CRITICAL BRAKE SAFETY - Specifically designed to maintain consistent vacuum pressure for your brake booster. This ensures your power brakes remain responsive and effective, significantly improving driving safety.
EASY TO INSTALL - Simple push-on design fits standard 12mm vacuum hoses. IMPORTANT: Pay close attention to the flow direction arrow molded on the valve body. The arrow must point TOWARDS the vacuum source (e.g., the intake manifold).